How many protons, electrons, and neutrons does an atom of iridium (Ir) have

See Answers (1)

Accepted Answer

Iridium has 77 protons, 77 electrons, and 115 neutrons. You can figure out the protons/electrons from it's atomic number, 77. Because it's atomic mass is 192, subtacting the atomic number 77 from this gives you 115 neutrons!